<html>
<head>
  <script src="../OLLoader.js"></script>
  <script type="text/javascript">
    var map;
    function test_Control_PanZoomBar_constructor (t) {
        t.plan( 4 );

        control = new OpenLayers.Control.PanZoomBar({position: new OpenLayers.Pixel(100,100)});
        t.ok( control instanceof OpenLayers.Control.PanZoomBar, "new OpenLayers.Control.PanZoomBar returns object" );
        t.eq( control.displayClass,  "olControlPanZoomBar", "displayClass is correct" );
        t.eq( control.position.x, 100, "PanZoom X Set correctly.");
        t.eq( control.position.y, 100, "PanZoom y Set correctly.");
    }
    function test_Control_PanZoomBar_addControl (t) {
        t.plan( 8 );
        map = new OpenLayers.Map('map', {controls:[]});
        var layer = new OpenLayers.Layer.WMS("Test Layer",
            "http://octo.metacarta.com/cgi-bin/mapserv?",
            {map: "/mapdata/vmap_wms.map", layers: "basic"});
        map.addLayer(layer);
        control = new OpenLayers.Control.PanZoomBar();
        t.ok( control instanceof OpenLayers.Control.PanZoomBar, "new OpenLayers.Control.PanZoomBar returns object" );
        t.ok( map instanceof OpenLayers.Map, "new OpenLayers.Map creates map" );
        map.addControl(control);
        t.ok( control.map === map, "Control.map is set to the map object" );
        t.ok( map.controls[0] === control, "map.controls contains control" );
        t.eq( parseInt(control.div.style.zIndex), 1001, "Control div zIndexed properly" );
        t.eq( parseInt(map.viewPortDiv.lastChild.style.zIndex), 1001, "Viewport div contains control div" );
        t.eq( control.div.style.top, "4px", "Control div top located correctly by default");

        var control2 = new OpenLayers.Control.PanZoomBar();
        map.addControl(control2, new OpenLayers.Pixel(100,100));
        t.eq( control2.div.style.top, "100px", "2nd control div is located correctly");
    }

    function test_Control_PanZoomBar_clearDiv(t) {
        t.plan(2);
        map = new OpenLayers.Map('map', {controls:[]});
        var layer = new OpenLayers.Layer.WMS("Test Layer",
            "http://octo.metacarta.com/cgi-bin/mapserv?",
            {map: "/mapdata/vmap_wms.map", layers: "basic"});
        map.addLayer(layer);
        control = new OpenLayers.Control.PanZoomBar();
        map.addControl(control);
        control.removeButtons();
        var div = control.div;
        map.destroy();
        t.eq(div.childNodes.length, 0, "control's div cleared.");
        t.eq(control.zoombarDiv, null, "zoombar div nullified.")
    }

    function test_Control_PanZoomBar_onButtonClick (t) {
        t.plan(2);
        map = new OpenLayers.Map('map', {controls:[]});
        var layer = new OpenLayers.Layer.WMS("Test Layer",
            "http://octo.metacarta.com/cgi-bin/mapserv?",
            {map: "/mapdata/vmap_wms.map", layers: "basic"});
        map.addLayer(layer);
        control = new OpenLayers.Control.PanZoomBar();
        map.addControl(control);
        control.onButtonClick({'buttonXY': {'x': 0, 'y': 50}, buttonElement: control.zoombarDiv});
        t.eq(map.zoom, 11, "zoom is correct on standard map");

        map.fractionalZoom = true;
        control.onButtonClick({'buttonXY': {'x': 0, 'y': 49}, buttonElement: control.zoombarDiv});
        t.eq(map.zoom.toFixed(3), '10.545', "zoom is correct on fractional zoom map");

    }

    function test_Control_PanZoomBar_forceFixedZoomLevel_onButtonClick(t){
        t.plan(1);
        map = new OpenLayers.Map('map', {
            controls: [],
            fractionalZoom: true
        });
        var layer = new OpenLayers.Layer.WMS("Test Layer", "http://octo.metacarta.com/cgi-bin/mapserv?", {
            map: "/mapdata/vmap_wms.map",
            layers: "basic"
        });
        map.addLayer(layer);
        control = new OpenLayers.Control.PanZoomBar({
            forceFixedZoomLevel: true
        });
        map.addControl(control);
        
        control.onButtonClick({
            'buttonXY': {
                'x': 0,
                'y': 49
            },
            buttonElement: control.zoombarDiv
        });
        t.eq(map.zoom, 11, "forceFixedZoomLevel makes sure that after a div click only fixed zoom levels are used even if the map has fractionalZoom");
    }     
         
    function test_Control_PanZoomBar_forceFixedZoomLevel_zoomBarUp (t) {     
        var numRandomDrags = 25;
        // plan one static recorded test and two for every random drag
        t.plan(1 + (numRandomDrags * 2));
        
        
        var map = new OpenLayers.Map('map', {
            controls: [],
            fractionalZoom: true
        });
        var layer = new OpenLayers.Layer.WMS("Test Layer", "http://octo.metacarta.com/cgi-bin/mapserv?", {
            map: "/mapdata/vmap_wms.map",
            layers: "basic"
        });
        map.addLayer(layer);
        
        // zoom to a fractional ZoomLevel initially:
        map.setCenter(new OpenLayers.LonLat(0, 0), 9.545);
        
        control = new OpenLayers.Control.PanZoomBar({
            forceFixedZoomLevel: true
        });
        map.addControl(control);
        
        // The y values come from manually recording real values in an example
        var evt = {
            'xy': {
                'x': 0,
                'y': -10.633
            },
            which: 1
        };
        control.zoomStart = {
            'x': 0,
            'y': 5.366
        };
        control.mouseDragStart = {
            'x': 0,
            'y': -10.633
        };
        control.deltaY = control.zoomStart.y - evt.xy.y
        control.zoomBarUp(evt);
        t.eq(map.zoom, 11, "forceFixedZoomLevel makes sure that after dragging of the handle only fixed zoom levels are used even if the map has fractionalZoom");
        
        // randomly drag the handle around
        // we should never get a zoom < 0 or a non-integer zoom, regardless of
        // captured random values for start and end of the drag.
        for (var i = 0; i < numRandomDrags; i++) {
            var randStartY = Math.random() * 10 * ((i % 2 === 0) ? -1 : 1);
            var randStopY = Math.random() * 160 * ((i % 2 === 1) ? -1 : 1);
            var evt = {
                'xy': {
                    'x': 0,
                    'y': randStopY
                },
                which: 1
            };
            control.zoomStart = {
                'x': 0,
                'y': randStartY
            };
            control.mouseDragStart = {
                'x': 0,
                'y': randStopY
            };
            control.deltaY = control.zoomStart.y - evt.xy.y
            control.zoomBarUp(evt);
            
            t.eq(Math.floor(map.zoom), Math.ceil(map.zoom), 'Only integer zooms after random handle drag with forceFixedZoomLevel=true and fractionalZoom=true (current zoom was ' + map.zoom + ')');
            t.ok(map.zoom >= 0, 'map.zoom is never < 0 after random handle drag with forceFixedZoomLevel=true and fractionalZoom=true');
        }
    }

    function test_Control_PanZoomBar_shows (t) {
        t.plan(22);

        var control, map;

        control = new OpenLayers.Control.PanZoomBar({panIcons: true, zoomWorldIcon: false});
        map = new OpenLayers.Map('map', {controls: [control]});
        t.eq(control.buttons.length, 6, "(a) pan, no world - expected number of buttons");
        t.ok(control.buttons[0].id.match("_panup$"), "(a) pan, no world - pan up");
        t.ok(control.buttons[1].id.match("_panleft$"), "(a) pan, no world - pan left");
        t.ok(control.buttons[2].id.match("_panright$"), "(a) pan, no world - pan right");
        t.ok(control.buttons[3].id.match("_pandown$"), "(a) pan, no world - pan down");
        t.ok(control.buttons[4].id.match("_zoomin$"), "(a) pan, no world - zoom in");
        t.ok(control.buttons[5].id.match("_zoomout$"), "(a) pan, no world - zoom out");
        map.destroy();

        control = new OpenLayers.Control.PanZoomBar({panIcons: true, zoomWorldIcon: true});
        map = new OpenLayers.Map('map', {controls:[control]});
        t.eq(control.buttons.length, 7, "(b) pan, world - expected number of buttons");
        t.ok(control.buttons[0].id.match("_panup$"), "(b) pan, world - pan up");
        t.ok(control.buttons[1].id.match("_panleft$"), "(b) pan, world - pan left");
        t.ok(control.buttons[2].id.match("_zoomworld$"), "(b) pan, world - zoom world");
        t.ok(control.buttons[3].id.match("_panright$"), "(b) pan, world - pan right");
        t.ok(control.buttons[4].id.match("_pandown$"), "(b) pan, world - pan down");
        t.ok(control.buttons[5].id.match("_zoomin$"), "(b) pan, world - zoom in");
        t.ok(control.buttons[6].id.match("_zoomout$"), "(b) pan, world - zoom out");
        map.destroy();

        control = new OpenLayers.Control.PanZoomBar({panIcons: false, zoomWorldIcon: false});
        map = new OpenLayers.Map('map', {controls:[control]});
        t.eq(control.buttons.length, 2, "(c) no pan, no world - expected number of buttons");
        t.ok(control.buttons[0].id.match("_zoomin$"), "(c) no pan, no world - zoom in");
        t.ok(control.buttons[1].id.match("_zoomout$"), "(c) no pan, no world - zoom out");
        map.destroy();

        control = new OpenLayers.Control.PanZoomBar({panIcons: false, zoomWorldIcon: true});
        map = new OpenLayers.Map('map', {controls:[control]});
        t.eq(control.buttons.length, 3, "(d) no pan, world - expected number of buttons");
        t.ok(control.buttons[0].id.match("_zoomin$"), "(d) no pan, world - zoom in");
        t.ok(control.buttons[1].id.match("_zoomout$"), "(d) no pan, world - zoom out");
        t.ok(control.buttons[2].id.match("_zoomworld$"), "(d) no pan, world - zoom world");
        map.destroy();
    }
  </script>
</head>
<body>
    <div id="map" style="width: 1024px; height: 512px;"/>
</body>
</html>
